Materials Science and Engineering: An Introduction

Published by Wiley
ISBN 10: 1118324579
ISBN 13: 978-1-11832-457-8

Chapter 15 - Characteristics, Applications, and Processing of Polymers - Questions and Problems - Page 633: 15.45

Answer

Fiber materials that are melt spun must be thermoplastic because: 1. In order to be melt spun, they must be capable of forming a viscous liquid when heated which is not possible for thermosets. 2. During drawing, mechanical elongation must be possible. This is because thermosetting materials are hard and relatively brittle, so they are not easily elongated.

Work Step by Step

Fiber materials that are melt spun must be thermoplastic because: 1. In order to be melt spun, they must be capable of forming a viscous liquid when heated which is not possible for thermosets. 2. During drawing, mechanical elongation must be possible. This is because thermosetting materials are hard and relatively brittle, so they are not easily elongated.
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